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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Wed Oct 31 22:26:24 PST 2001 --><TITLE>Java API for XML Processing Specification 1.1: Class DocumentBuilderFactory</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/DocumentBuilderFactory.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../javax/xml/parsers/DocumentBuilder.html"><B>PREV CLASS</B></A> <A HREF="../../../javax/xml/parsers/SAXParser.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="DocumentBuilderFactory.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.xml.parsers</FONT><BR>Class DocumentBuilderFactory</H2><PRE>java.lang.Object | +--<B>javax.xml.parsers.DocumentBuilderFactory</B></PRE><HR><DL><DT>public abstract class <B>DocumentBuilderFactory</B><DT>extends java.lang.Object</DL><P>Defines a factory API that enables applications to obtain a parser that produces DOM object trees from XML documents. An implementation of the <code>DocumentBuilderFactory</code> class is <em>NOT</em> guaranteed to be thread safe. It is up to the user application to make sure about the use of the <code>DocumentBuilderFactory</code> from more than one thread. Alternatively the application can have one instance of the <code>DocumentBuilderFactory</code> per thread. An application can use the same instance of the factory to obtain one or more instances of the <code>DocumentBuilder</code> provided the instance of the factory isn't being used in more than one thread at a time.<P><DL><DT><B>Since: </B><DD>JAXP 1.0</DD><DT><B>Version: </B><DD>1.0</DD></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#DocumentBuilderFactory()">DocumentBuilderFactory</A></B>()</CODE><BR> </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#getAttribute(java.lang.String)">getAttribute</A></B>(java.lang.String name)</CODE><BR> Allows the user to retrieve specific attributes on the underlying implementation.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#isCoalescing()">isCoalescing</A></B>()</CODE><BR> Indicates whether or not the factory is configured to produce parsers which converts CDATA nodes to Text nodes and appends it to the adjacent (if any) Text node.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#isExpandEntityReferences()">isExpandEntityReferences</A></B>()</CODE><BR> Indicates whether or not the factory is configured to produce parsers which expand entity reference nodes.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#isIgnoringComments()">isIgnoringComments</A></B>()</CODE><BR> Indicates whether or not the factory is configured to produce parsers which ignores comments.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#isIgnoringElementContentWhitespace()">isIgnoringElementContentWhitespace</A></B>()</CODE><BR> Indicates whether or not the factory is configured to produce parsers which ignore ignorable whitespace in element content.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#isNamespaceAware()">isNamespaceAware</A></B>()</CODE><BR> Indicates whether or not the factory is configured to produce parsers which are namespace aware.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#isValidating()">isValidating</A></B>()</CODE><BR> Indicates whether or not the factory is configured to produce parsers which validate the XML content during parse.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../../javax/xml/parsers/DocumentBuilder.html">DocumentBuilder</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#newDocumentBuilder()">newDocumentBuilder</A></B>()</CODE><BR> Creates a new instance of a <A HREF="../../../javax/xml/parsers/DocumentBuilder.html"><CODE>DocumentBuilder</CODE></A> using the currently configured parameters.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html">DocumentBuilderFactory</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#newInstance()">newInstance</A></B>()</CODE><BR> Obtain a new instance of a <code>DocumentBuilderFactory</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#setAttribute(java.lang.String, java.lang.Object)">setAttribute</A></B>(java.lang.String name, java.lang.Object value)</CODE><BR> Allows the user to set specific attributes on the underlying implementation.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#setCoalescing(boolean)">setCoalescing</A></B>(boolean coalescing)</CODE><BR> Specifies that the parser produced by this code will convert CDATA nodes to Text nodes and append it to the adjacent (if any) text node.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#setExpandEntityReferences(boolean)">setExpandEntityReferences</A></B>(boolean expandEntityRef)</CODE><BR> Specifies that the parser produced by this code will expand entity reference nodes.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#setIgnoringComments(boolean)">setIgnoringComments</A></B>(boolean ignoreComments)</CODE><BR> Specifies that the parser produced by this code will ignore comments.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#setIgnoringElementContentWhitespace(boolean)">setIgnoringElementContentWhitespace</A></B>(boolean whitespace)</CODE><BR> Specifies that the parsers created by this factory must eliminate whitespace in element content (sometimes known loosely as 'ignorable whitespace') when parsing XML documents (see XML Rec 2.10).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#setNamespaceAware(boolean)">setNamespaceAware</A></B>(boolean awareness)</CODE><BR> Specifies that the parser produced by this code will provide support for XML namespaces.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/parsers/DocumentBuilderFactory.html#setValidating(boolean)">setValidating</A></B>(boolean validating)</CODE><BR> Specifies that the parser produced by this code will validate documents as they are parsed.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.Object</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TD></TR></TABLE><A NAME="DocumentBuilderFactory()"><!-- --></A><H3>DocumentBuilderFactory</H3><PRE>protected <B>DocumentBuilderFactory</B>()</PRE><DL></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2">⌨️ 快捷键说明
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